Year	% of GDP
1972	28.326716916458267
1973	28.219475401760974
1974	28.270569693906726
1975	29.00104161211296
1976	31.246335133260928
1977	31.765232974910397
1978	33.360531721657985
1979	33.52993863981833
1980	32.64305844871952
1981	32.621577861610405
1982	33.211154393124346
1983	33.09544830837727
1984	32.00068708710606
1985	31.451701807603815
1986	33.880896080507014
1987	34.86739100986968
1988	36.22553773317833
1989	36.7479213587794
1990	38.094793568408015
1991	38.6254931418945
1992	39.731494429296525
1993	39.013164585966116
1994	38.35832473290372
1995	37.95624303059375
1996	35.98682813234826
1997	34.399828272031115
1998	35.89319428057298
1999	35.05684729834192
2000	31.96188272463906
2001	32.602373894816395
2002	37.54619936131241
2003	37.28747394702896
2004	35.25506914233529
2005	33.14425321113229
2006	32.085950151716666
2007	32.00251337401395
2008	30.674431331720143
2009	35.41258148502774
2010	34.725109975584864
2011	34.14178792417887
2012	33.72897560308433
2013	34.1933156114143
2014	35.606317462084604
2015	38.15121991270159
2016	39.738578032660094
2017	38.69464774338924
2018	37.12945407918903
2019	38.56208768738513
2020	45.39095642879325
2021	36.57010252938819
2022	29.398443289378946